Commit 0a679e13 authored by Linus Torvalds's avatar Linus Torvalds

Merge branch 'for-5.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup fix from Tejun Heo:
 "I made a mistake while removing cgroup task list lazy init
  optimization making the root cgroup.procs show entries for the
  init_tasks. The zero entries doesn't cause critical failures but does
  make systemd print out warning messages during boot.

  Fix it by omitting init_tasks as they should be"

* 'for-5.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: init_tasks shouldn't be linked to the root cgroup
parents a5650acb 0cd9d33a
......@@ -5927,11 +5927,14 @@ void cgroup_post_fork(struct task_struct *child)
spin_lock_irq(&css_set_lock);
/* init tasks are special, only link regular threads */
if (likely(child->pid)) {
WARN_ON_ONCE(!list_empty(&child->cg_list));
cset = task_css_set(current); /* current is @child's parent */
get_css_set(cset);
cset->nr_tasks++;
css_set_move_task(child, NULL, cset, false);
}
/*
* If the cgroup has to be frozen, the new task has too. Let's set
......
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